diff options
Diffstat (limited to 'src/corelib/kernel/qobject.cpp')
| -rw-r--r-- | src/corelib/kernel/qobject.cpp | 63 |
1 files changed, 33 insertions, 30 deletions
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp index 1f35c7312b..e080bd64cf 100644 --- a/src/corelib/kernel/qobject.cpp +++ b/src/corelib/kernel/qobject.cpp @@ -240,18 +240,20 @@ static void computeOffsets(const QMetaObject *metaobject, int *signalOffset, int } } -/*! \internal +/* This vector contains the all connections from an object. - Each object may have one vector containing the lists of connections for a given signal. - The index in the vector correspond to the signal index. - The signal index is the one returned by QObjectPrivate::signalIndex (not QMetaObject::indexOfSignal). + Each object may have one vector containing the lists of + connections for a given signal. The index in the vector correspond + to the signal index. The signal index is the one returned by + QObjectPrivate::signalIndex (not QMetaObject::indexOfSignal). Negative index means connections to all signals. This vector is protected by the object mutex (signalSlotMutexes()) - Each Connection is also part of a 'senders' linked list. The mutex of the receiver must be locked when touching - the pointers of this linked list. + Each Connection is also part of a 'senders' linked list. The mutex + of the receiver must be locked when touching the pointers of this + linked list. */ class QObjectConnectionListVector : public QVector<QObjectPrivate::ConnectionList> { @@ -289,7 +291,7 @@ bool QObjectPrivate::isSender(const QObject *receiver, const char *signal) const QMutexLocker locker(signalSlotLock(q)); if (connectionLists) { if (signal_index < connectionLists->count()) { - const QObjectPrivate::Connection *c = + const QObjectPrivate::Connection *c = connectionLists->at(signal_index).first; while (c) { @@ -358,7 +360,7 @@ void QObjectPrivate::cleanConnectionLists() if (connectionLists->dirty && !connectionLists->inUse) { // remove broken connections for (int signal = -1; signal < connectionLists->count(); ++signal) { - QObjectPrivate::ConnectionList &connectionList = + QObjectPrivate::ConnectionList &connectionList = (*connectionLists)[signal]; // Set to the last entry in the connection list that was *not* @@ -381,8 +383,8 @@ void QObjectPrivate::cleanConnectionLists() } } - // Correct the connection list's last pointer. As - // conectionList.last could equal last, this could be a noop + // Correct the connection list's last pointer. + // As conectionList.last could equal last, this could be a noop connectionList.last = last; } connectionLists->dirty = false; @@ -904,7 +906,7 @@ QObject::~QObject() if (d->connectionLists) { ++d->connectionLists->inUse; for (int signal = -1; signal < d->connectionLists->count(); ++signal) { - QObjectPrivate::ConnectionList &connectionList = + QObjectPrivate::ConnectionList &connectionList = (*d->connectionLists)[signal]; while (QObjectPrivate::Connection *c = connectionList.first) { @@ -1169,7 +1171,7 @@ static QObject *qChildHelper(const char *objName, const char *inheritsClass, more than one, the first one found is returned. */ QObject* QObject::child(const char *objName, const char *inheritsClass, - bool recursiveSearch) const + bool recursiveSearch) const { Q_D(const QObject); return qChildHelper(objName, inheritsClass, recursiveSearch, d->children); @@ -1388,7 +1390,7 @@ bool QObject::eventFilter(QObject * /* watched */, QEvent * /* event */) /*! If \a block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it). - If \a block is false, no such blocking will occur. + If \a block is false, no such blocking will occur. The return value is the previous value of signalsBlocked(). @@ -1680,12 +1682,12 @@ void QObject::killTimer(int id) #ifdef QT3_SUPPORT static void objSearch(QObjectList &result, - const QObjectList &list, - const char *inheritsClass, - bool onlyWidgets, - const char *objName, - QRegExp *rx, - bool recurse) + const QObjectList &list, + const char *inheritsClass, + bool onlyWidgets, + const char *objName, + QRegExp *rx, + bool recurse) { for (int i = 0; i < list.size(); ++i) { QObject *obj = list.at(i); @@ -1755,9 +1757,9 @@ static void objSearch(QObjectList &result, */ QObjectList QObject::queryList(const char *inheritsClass, - const char *objName, - bool regexpMatch, - bool recursiveSearch) const + const char *objName, + bool regexpMatch, + bool recursiveSearch) const { Q_D(const QObject); QObjectList list; @@ -1909,7 +1911,7 @@ QObjectList QObject::queryList(const char *inheritsClass, \internal */ void qt_qFindChildren_helper(const QObject *parent, const QString &name, const QRegExp *re, - const QMetaObject &mo, QList<void*> *list) + const QMetaObject &mo, QList<void*> *list) { if (!parent || !list) return; @@ -2517,7 +2519,7 @@ int QObject::receivers(const char *signal) const QMutexLocker locker(signalSlotLock(this)); if (d->connectionLists) { if (signal_index < d->connectionLists->count()) { - const QObjectPrivate::Connection *c = + const QObjectPrivate::Connection *c = d->connectionLists->at(signal_index).first; while (c) { receivers += c->receiver ? 1 : 0; @@ -3009,7 +3011,7 @@ bool QMetaObjectPrivate::connect(const QObject *sender, int signal_index, if (type & Qt::UniqueConnection) { QObjectConnectionListVector *connectionLists = QObjectPrivate::get(s)->connectionLists; if (connectionLists && connectionLists->count() > signal_index) { - const QObjectPrivate::Connection *c2 = + const QObjectPrivate::Connection *c2 = (*connectionLists)[signal_index].first; while (c2) { @@ -3080,7 +3082,7 @@ bool QMetaObject::disconnect(const QObject *sender, int signal_index, Same as the QMetaObject::disconnect, but \a signal_index must be the result of QObjectPrivate::signalIndex */ bool QMetaObjectPrivate::disconnect(const QObject *sender, int signal_index, - const QObject *receiver, int method_index) + const QObject *receiver, int method_index) { if (!sender) return false; @@ -3103,7 +3105,7 @@ bool QMetaObjectPrivate::disconnect(const QObject *sender, int signal_index, if (signal_index < 0) { // remove from all connection lists for (signal_index = -1; signal_index < connectionLists->count(); ++signal_index) { - QObjectPrivate::Connection *c = + QObjectPrivate::Connection *c = (*connectionLists)[signal_index].first; while (c) { if (c->receiver @@ -3132,7 +3134,7 @@ bool QMetaObjectPrivate::disconnect(const QObject *sender, int signal_index, } } } else if (signal_index < connectionLists->count()) { - QObjectPrivate::Connection *c = + QObjectPrivate::Connection *c = (*connectionLists)[signal_index].first; while (c) { if (c->receiver @@ -3489,7 +3491,8 @@ int QObjectPrivate::signalIndex(const char *signalName) const \a signal_index must be the index returned by QObjectPrivate::signalIndex; */ -bool QObjectPrivate::isSignalConnected(int signal_index) const { +bool QObjectPrivate::isSignalConnected(int signal_index) const +{ if (signal_index < (int)sizeof(connectedSignals) * 8 && !qt_signal_spy_callback_set.signal_begin_callback && !qt_signal_spy_callback_set.signal_end_callback) { @@ -3719,7 +3722,7 @@ void QObject::dumpObjectInfo() qDebug(" signal: %s", signal.signature()); // receivers - const QObjectPrivate::Connection *c = + const QObjectPrivate::Connection *c = d->connectionLists->at(signal_index).first; while (c) { if (!c->receiver) { |